31230780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 107993088

約数和(自身を除く): 76762308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 53, 60, 61, 69, 70, 84, 92, 105, 106, 115, 122, 138, 140, 159, 161, 183, 210, 212, 230, 244, 265, 276, 305, 318, 322, 345, 366, 371, 420, 427, 460, 483, 530, 610, 636, 644, 690, 732, 742, 795, 805, 854, 915, 966, 1060, 1113, 1219, 1220, 1281, 1380, 1403, 1484, 1590, 1610, 1708, 1830, 1855, 1932, 2135, 2226, 2415, 2438, 2562, 2806, 3180, 3220, 3233, 3657, 3660, 3710, 4209, 4270, 4452, 4830, 4876, 5124, 5565, 5612, 6095, 6405, 6466, 7015, 7314, 7420, 8418, 8533, 8540, 9660, 9699, 9821, 11130, 12190, 12810, 12932, 14030, 14628, 16165, 16836, 17066, 18285, 19398, 19642, 21045, 22260, 22631, 24380, 25599, 25620, 28060, 29463, 32330, 34132, 36570, 38796, 39284, 42090, 42665, 45262, 48495, 49105, 51198, 58926, 64660, 67893, 73140, 74359, 84180, 85330, 90524, 96990, 98210, 102396, 113155, 117852, 127995, 135786, 147315, 148718, 170660, 193980, 196420, 223077, 226310, 255990, 271572, 294630, 297436, 339465, 371795, 446154, 452620, 511980, 520513, 589260, 678930, 743590, 892308, 1041026, 1115385, 1357860, 1487180, 1561539, 2082052, 2230770, 2602565, 3123078, 4461540, 5205130, 6246156, 7807695, 10410260, 15615390, 31230780]

約数ペア:

[(1, 31230780), (2, 15615390), (3, 10410260), (4, 7807695), (5, 6246156), (6, 5205130), (7, 4461540), (10, 3123078), (12, 2602565), (14, 2230770), (15, 2082052), (20, 1561539), (21, 1487180), (23, 1357860), (28, 1115385), (30, 1041026), (35, 892308), (42, 743590), (46, 678930), (53, 589260), (60, 520513), (61, 511980), (69, 452620), (70, 446154), (84, 371795), (92, 339465), (105, 297436), (106, 294630), (115, 271572), (122, 255990), (138, 226310), (140, 223077), (159, 196420), (161, 193980), (183, 170660), (210, 148718), (212, 147315), (230, 135786), (244, 127995), (265, 117852), (276, 113155), (305, 102396), (318, 98210), (322, 96990), (345, 90524), (366, 85330), (371, 84180), (420, 74359), (427, 73140), (460, 67893), (483, 64660), (530, 58926), (610, 51198), (636, 49105), (644, 48495), (690, 45262), (732, 42665), (742, 42090), (795, 39284), (805, 38796), (854, 36570), (915, 34132), (966, 32330), (1060, 29463), (1113, 28060), (1219, 25620), (1220, 25599), (1281, 24380), (1380, 22631), (1403, 22260), (1484, 21045), (1590, 19642), (1610, 19398), (1708, 18285), (1830, 17066), (1855, 16836), (1932, 16165), (2135, 14628), (2226, 14030), (2415, 12932), (2438, 12810), (2562, 12190), (2806, 11130), (3180, 9821), (3220, 9699), (3233, 9660), (3657, 8540), (3660, 8533), (3710, 8418), (4209, 7420), (4270, 7314), (4452, 7015), (4830, 6466), (4876, 6405), (5124, 6095), (5565, 5612)]